Hi Christopher,
Thank you for taking some time to explain the redirect issue. It makes sense
from a standardization point of view. Moreover, it gives us both clean and
predictable URIs.
Unfortunately, there is a side effect: pages created in any language but
English (without English equivalent page) cannot be converted into DBpedia
resources because there is no match within the standardization URI model.
Therefore, some non-english resources are currently not available in
DBpedia. That's a pity.
How can we solve this issue? Maybe with a multilingual standardization URI
model. For instance:
<http://dbpedia.org/resource/it/Berlino>
with 'http://dbpedia.org/resource/' as namespace and 'it/Berlino' as
localname.
Localname 'it/Berlin' will be redirected to <
http://dbpedia.org/resource/it/Berlino> resource.
When the English equivalent page is created, the (english) standardization
URI model is used:
http://en.wikipedia.org/wiki/Berlin => <http://dbpedia.org/resource/Berlin>
And OWL property 'owl:sameAs' is used to link the 2 individuals:
<http://dbpedia.org/resource/Berlin> owl:sameAs <
http://dbpedia.org/resource/it/Berlino>
What do you think?
Pierre
2010/2/3 Christopher Sahnwaldt <[email protected]>
> Hi Pierre,
>
> there are only English redirect files because:
>
> 1. All the data that is extracted from an article in a
> non-English Wikipedia is attached to a DBpedia
> URI that is generated from the English article
> title - e.g. triples extacted from the page
> http://it.wikipedia.org/wiki/Berlino use the
> subject URI http://dbpedia.org/resource/Berlin
>
> 2. We find the English article title by looking at
> the 'language links' that are shown on the lower
> left side of the article - http://it.wikipedia.org/wiki/Berlino
> has a link http://en.wikipedia.org/wiki/Berlin .
>
> 3. Redirect pages hardly ever have 'language links',
> so we can't create a unique subject URI for them.
> E.g. http://it.wikipedia.org/wiki/Berlin is a redirect
> to http://it.wikipedia.org/wiki/Berlino , but of course
> it doesn't have any 'language links'. And we can't
> simply use the Italian title as the subject URI -
> http://dbpedia.org/resource/Berlin is already taken...
>
> Cheers,
> Christopher
>
> On Wed, Feb 3, 2010 at 12:36, Pierre De Wilde <[email protected]>
> wrote:
> > Hi,
> > In DBpedia dump, redirect files exist only in english:
> > http://downloads.dbpedia.org/3.4/en/redirect_en.nt.bz2
> > http://downloads.dbpedia.org/3.4/en/redirect_en.csv.bz2
> > Where can I download redirect files in other languages ? e.g.
> > http://downloads.dbpedia.org/3.4/fr/redirect_fr.nt.bz2
> > http://downloads.dbpedia.org/3.4/fr/redirect_fr.csv.bz2
> > Thanks.
> > Pierre
> >
> >
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